Flood Warning Issued for Morgan and Pike Counties in Illinois
This alert is no longer in effect.
NOAA issued it on May 10, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
The National Weather Service has issued a Flood Warning for Morgan and Pike counties in Illinois, with minor flooding expected on the Illinois River at Meredosia from late Wednesday night until May 6.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Western Illinois
- Issued
- May 10, 2026
- Issuing authority
- NWS St Louis MO
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Western Illinois.
Alert Details
The National Weather Service in St Louis has issued a Flood Warning. This alert is effective starting April 28, 2026, at 11:25 AM CDT, with onset on April 30, 2026, at 1:00 AM CDT.
Affected Areas
The warning affects Morgan, IL and Pike, IL, specifically the Illinois River at Meredosia.
What You Should Do
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Expected Conditions
Minor flooding is forecast. At 11:00 AM CDT on April 28, 2026, the river stage was 16.0 feet. The river is expected to rise above the flood stage of 17.0 feet early on April 30, 2026, to a crest of 17.8 feet on May 1, 2026, evening, and then fall below flood stage on May 4, 2026, evening.
Timeline
The alert is effective from April 28, 2026, at 11:25 AM CDT, with onset on April 30, 2026, at 1:00 AM CDT, expires on April 29, 2026, at 11:30 PM CDT, and ends on May 6, 2026, at 1:00 AM CDT.
Original source: NOAA Official Notice ↗
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Similar severity timing
Same severity (high) notices issued closest in time to May 10, 2026.
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